ELGI Equipments Principal Engineer Interview Questions, Process, and Tips

Inputs required to select motor include power requirements, speed, torque, voltage, current, duty cycle, environment, and budget.

• Power requirements: Determine the amount of power needed for the application.

• Speed: Decide on the desired speed of the motor.

• Torque: Consider the required torque for the application.

• Voltage and current: Ensure the motor is compatible with the available power supply.

• Duty cycle: Determine how o...read more

Fan selection criteria include airflow requirements, noise level, energy efficiency, size, and cost.

• Consider the airflow requirements of the space being ventilated.

• Evaluate the noise level produced by the fan to ensure it meets acceptable limits.

• Look at the energy efficiency rating of the fan to minimize operating costs.

• Choose a fan size that fits the space and installation requirements.

• Compare the cost of different fa

Coolant selection for heat exchangers is based on factors like thermal conductivity, corrosion resistance, cost, and environmental impact.

• Consider thermal conductivity of coolant to ensure efficient heat transfer

• Select coolant with good corrosion resistance to prevent damage to heat exchanger

• Evaluate cost of coolant to ensure it fits within budget constraints

• Take into account environmental impact of coolant to comply w...read more

A fully developed flow definition outlines the sequence of steps and interactions in a process.

• Identify the starting point and ending point of the flow

• List all the steps involved in the process

• Define the conditions or decisions that determine the flow of the process

• Include any loops or branches in the flow

• Specify the inputs and outputs of each step